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Table of Contents ( Mark One ) U.S. SECURITIES AND EXCHANGE COMMISSION Washington , D.C. 20549 ANNUAL REPORT UNDER SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31 , 2020 Delaware ( State or other jurisdiction of incorporation or organization ) FORM 10 - K TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 or Securities registered pursuant to Section 12 ( b ) of the Act : Title of Each Class Common Stock Large accelerated filer Non - accelerated filer For the transition period from Commission File Number : 001-07120 HARTE HANKS to HARTE HANKS , INC . ( Exact name of registrant as specified in its charter ) 2800 Wells Branch Parkway , Austin , Texas 78728 ( Address of principal executive offices , including zip code ) ( 512 ) 434-1100 ( Registrant's telephone number including area code ) None ( Former name , former address and former fiscal year , if changed since last report ) Trading Symbol ( s ) HRTH 74-1677284 ( I.R.S. Employer Identification Number ) Name of each exchange on which registered OTCQX No Indicate by check mark if the registrant is a well - known seasoned issuer , as defined in Rule 405 of the Securities Act . Yes Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15 ( d ) of the Act . Yes No > Indicate by check mark whether the registrant ( 1 ) has filed all reports required to be filed by Section 13 or 15 ( d ) of the Securities Exchange Act of 1934 during the preceding 12 months ( or for such shorter period that the registrant was required to file such reports ) , and ( 2 ) has been subject to such filing requirements for the past 90 days . Yes No Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S - T ( § 232.405 of this chapter ) during the preceding 12 months ( or for such shorter period that the registrant was required to submit and post such files ) . Yes No Indicate by check mark whether the registrant is a large accelerated filer , an accelerated filer , a non - accelerated filer , a smaller reporting company or emerging growth company . See definitions of " large accelerated filer , " " accelerated filer , " " smaller reporting company , " and " emerging growth company " in Rule 12b - 2 of the Exchange Act . Accelerated filer Smaller reporting company Emerging growth company 000